Error Detection Or Correction Patents (Class 375/240.27)
  • Patent number: 10448088
    Abstract: A method for receiving signaling information in a digital broadcast system according to an embodiment of the present invention comprises: a step of receiving a plurality of frames in which signaling information of a second layer is inserted in a signaling area of a first layer or a packet of a first layer; and a step of determining the signaling information of the second layer from the signaling area of the first layer or the packet of the first layer, and receiving service data using at least one of the determined signaling information of the second layer and pre-stored signaling information of a second layer.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: October 15, 2019
    Assignees: Samsung Electronics Co., Ltd., Kyonggi University Industry & Academia Cooperation Foundation
    Inventors: Hyun-Koo Yang, Byoung-Dai Lee, Sung-Hee Hwang, Sung-Oh Hwang
  • Patent number: 10440087
    Abstract: A method for estimating a loss of information in a video stream comprising video frames of different frame types, wherein the video stream is transmitted in a sequence of data packets, the method comprising during a first learning period of the video stream: identifying the different frame types in the video stream, determining a reference average size of at least some of the frame types in the video stream, determining a reference occurrence frequency how often at least some of the frame types occur in the video stream, wherein the reference average size and the reference occurrence frequency are determined using information provided in a header of the transmitted data packets, during a second time period of the stream: identifying the different frame types in the video stream taking into account the reference average frame size, the reference occurrence frequency determined in the first learning period, and information provided in the header of the data packets in the second time period, determining t
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: October 8, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Attila Báder, Ferenc Szász
  • Patent number: 10440381
    Abstract: According to the present invention, an inter-prediction method includes: receiving mode information on the inter-prediction of a current block; decoding the received mode information; and performing inter-prediction using the decoded mode information. According to the present invention, image compression efficiency may be improved.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: October 8, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Jae Hyun Lim, Seung Wook Park, Jung Sun Kim, Yong Joon Jeon, Joon Young Park, Byeong Moon Jeon
  • Patent number: 10404411
    Abstract: A method and system of AL-FEC using MMT protocol performed are disclosed. For an MMT receiving entity, a bounded FEC configuration setting is received from an MMT sending entity. The bounded FEC configuration setting belongs to an FEC configuration group consisting of at least one FEC configuration setting having a bounded-number of stages or layers of FEC coding structure, where the bounded-number is a positive integer greater than 1. If the bounded FEC configuration setting corresponds to one FEC configuration setting having the bounded-number of stages or layers of FEC coding structure, one or more FEC source packets and FEC repair packets are received from the MMT sending entity are FEC decoded into one recovered MMT packet using a range of FEC schemes having a target number of stages or layers of FEC coding structure from 1 to the bounded-number. The process for an MMT sending entity is also disclosed.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: September 3, 2019
    Assignee: MEDIATEK INC.
    Inventors: Lulin Chen, Shan Liu
  • Patent number: 10374752
    Abstract: The present invention relates to data communication systems and methods thereof. More specifically, embodiments of the present invention provide a data transmission method. Data are encoded with staircase encoder, and staircase coded blocks are first interleaved then combined into outer code frames. Code frames additionally include sync words and padding bits. A second interleaving is applied to the bits of the code frames, and Hamming encoding is performed on the output of the second interleaver. Hamming codewords are Gray-mapped to dual-polarized quadrature-amplitude-modulation (DP-QAM) symbols, and a third interleaving of the symbols from a set of successive Hamming codewords is performed. Pilot symbols are inserted periodically into the stream of DP-QAM symbols. There are other embodiments as well.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: August 6, 2019
    Assignee: INPHI CORPORATION
    Inventors: Benjamin Smith, Jamal Riani, Arash Farhoodfar, Sudeep Bhoja
  • Patent number: 10349078
    Abstract: In a method for processing a video signal, according to the present invention, a first video decoder can extract motion information for inter prediction on a current half frame from a bitstream, a second video decoder can perform the inter prediction on the current half frame by using the extracted motion information, and the first video decoder can restore the inter-predicted current half frame. Accordingly, the coding time of a video sequence can be reduced.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: July 9, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaewon Ha, Naeri Park, Sungho Bae, Jinseok Im, Cheoljoo Lee, Hyunsoo Kim
  • Patent number: 10341046
    Abstract: Mixed mode constellation mapping to map a data block to a block of sub-carriers based on a configurable set of one or more constellation mapping schemes, and corresponding mixed mode least likelihood ratio (LLR) de-mapping based on the configurable set of one or more modulation schemes. The set may be configurable to include multiple modulation schemes to provide to a SEvSNR measure that is a non-weighted or weighted average of SEvSNR measures of the multiple modulation schemes. Mixed mode constellation mapping may be useful be configurable to control spectral efficiency versus SNR (SEvSNR) over a range of SNR with relatively fine SNR granularity, and may be configurable to control SEvSNR over a range of SNR at a fixed FEC code rate, which may include a highest available or highest permitted code rate.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: July 2, 2019
    Assignee: Intel Corporation
    Inventors: Bernard Arambepola, Noam Tal, Sahan S. Gamage, Thushara Hewavithana, Shaul Shulman
  • Patent number: 10341688
    Abstract: Various new and non-obvious apparatus and methods for using frame caching to improve packet loss recovery are disclosed. One of the disclosed embodiments is a method for using periodical and synchronized frame caching within an encoder and its corresponding decoder. When the decoder discovers packet loss, it informs the encoder which then generates a frame based on one of the shared frames stored at both the encoder and the decoder. When the decoder receives this generated frame it can decode it using its locally cached frame.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: July 2, 2019
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Chih-Lung Lin, Minghui Xia, Pohsiang Hsu, Shankar Regunathan, Thomas W. Holcomb
  • Patent number: 10313685
    Abstract: A transmitting device for generating a plurality of encoded portions of a video to be transmitted to a receiving device over a network configured to: receive an error message over a feedback channel from the receiving device indicating at least one of said plurality of encoded portions that has been lost at the receiving device; encode a recovery portion responsive to said receiving said error message; and transmit said recovery portion to the receiving device over said network; wherein said error message includes information pertaining to a decoded portion successfully decoded at the receiving device and said recovery portion is encoded relative to said decoded portion.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: June 4, 2019
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Ming-Chieh Lee, Amy Lu, Pontus Carlsson, Mattias Dan Nilsson, Sergey Sablin, Sergey Silkin, David Yuheng Zhao, Magnus Hemmendorff, Sergei Nikiforov
  • Patent number: 10289471
    Abstract: A method is provided for root cause anomaly detection in an invariant network having a plurality of nodes that generate time series data. The method includes modeling anomaly propagation in the network. The method includes reconstructing broken invariant links in an invariant graph based on causal anomaly ranking vectors. Each broken invariant link involves a respective node pair formed from the plurality of nodes such that one of the nodes in the respective node pair has an anomaly. Each causal anomaly ranking vector is for indicating a respective node anomaly status for a given one of the plurality of nodes when paired. The method includes calculating a sparse penalty of the casual anomaly ranking vectors to obtain a set of time-dependent anomaly rankings. The method includes performing temporal smoothing of the set of rankings, and controlling an anomaly-initiating one of the plurality of nodes based on the set of rankings.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: May 14, 2019
    Assignee: NEC Corporation
    Inventors: Wei Cheng, Kai Zhang, Haifeng Chen, Guofei Jiang
  • Patent number: 10264269
    Abstract: In a coding system, an encoder codes video data according to a predetermined protocol, which, when decoded causes an associated decoder to perform a predetermined sequence of decoding operations. The encoder may perform local decodes of the coded video data, both in the manner dictated by the coding protocol that is at work and also by one or more alternative decoding operations. The encoder may estimate relative performance of the alternative decoding operations as compared to a decoding operation that is mandated by the coding protocol. The encoder may provide identifiers in metadata that is associated with the coded video data to identify such levels of distortion and/or levels of resources conserved. A decoder may refer to such identifiers when determining when to engage alternative decoding operations as may be warranted under resource conservation policies.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: April 16, 2019
    Assignee: Apple Inc.
    Inventors: Alexandros Tourapis, David W. Singer, Krasimir D. Kolarov, Steven E. Saunders, Guy Cote, Sorin Cismas
  • Patent number: 10264254
    Abstract: A method for coding an image, a method for decoding an image, a method for processing image data, and devices thereof. The method for coding the image includes determining a current intra coding block that uses a constrained intra prediction method among current inter coded frames; determining that neighboring coding blocks that are adjacent to the current intra coding block include a neighboring inter coding block; updating image data in the neighboring inter coding block based on an invariable value or image data in a neighboring intra coding block included in the neighboring coding blocks; and coding the current intra coding block based on the updated image data in the neighboring inter coding block. Using the methods and devices, the error recovery capability of an intra coding block may be improved, and the image data decoding quality may be improved.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: April 16, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Changcai Lai, Yongbing Lin, Xiaozhen Zheng
  • Patent number: 10256841
    Abstract: An encoder encodes digital data, said encoder includes one or more component encoders, one or more interconnections between component encoders, one or more inputs and one or more outputs. The encoder is configured to carry out the following steps: combining internal input bits received via an interconnection and external input bits received via a corresponding input, to assemble a local information word, encoding the local information word such as to generate a local code word, outputting a reduced local code word and handling the same reduced local code word over to the interconnect for forwarding the same reduced local code word to another component encoder or to itself, wherein the encoder is configured to forward on each interconnect the bits of the reduced local code in parallel but with delays that are mutually different for at least a subset of the reduced local code word bits.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: April 9, 2019
    Assignee: Xieon Networks S.à.r.l.
    Inventors: Heinrich Von Kirchbauer, Stephan Witte, Stefano Calabro, Bernhard Spinnler
  • Patent number: 10187638
    Abstract: An apparatus for coding video in one of a plurality of prediction modes executes a first process for calculating first evaluation values regarding each of the plurality of prediction modes, based on a plurality of luminance prediction errors, each luminance prediction error being a difference between luminance of each pixel in an input image and luminance of each pixel in a prediction image, a plurality of color difference prediction errors, each color difference prediction error being a difference between a color difference of each pixel in the input image and a color difference of each pixel in the prediction image, and a calculation result of the luminance prediction errors and the color difference prediction errors; executes a second process for selecting a predetermined number of prediction modes from the prediction modes, based on the first evaluation values.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: January 22, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Junpei Koyama, Satoshi Shimada
  • Patent number: 10171853
    Abstract: Systems and methods for managing available bandwidth in a household are provided. A request to access a first media asset is received. A determination is made as to whether a bandwidth currently available in the household is sufficient for enabling access to the first media asset. When the bandwidth currently available in the household is insufficient for enabling access to the first media asset, a search is performed for a second media asset currently consuming a portion of the household bandwidth needed for enabling access to the first media asset. A third media asset is identified having a remaining duration that is more than a remaining duration of the second media asset. A message is displayed that indicates the bandwidth currently available in the household is insufficient to access the first media asset and that has an option to access the third media asset instead of the first media asset.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: January 1, 2019
    Assignee: Rovi Guides, Inc.
    Inventors: Claire M. Wallters, Lauren Palmateer
  • Patent number: 10164853
    Abstract: A method for detect and mitigate anomaly in video streaming platforms is disclosed. In one embodiment, performance data from a set of workers is received at a central telemetry system (CTS), where the performance data is indicative of operational status of the set of workers. The CTS processes the performance data, including generating task-specific monitoring data based on the performance data, and it identifies whether the performance data or the task-specific monitoring data contains any anomaly. Upon an anomaly being identified, the CTS mitigates the anomaly by interacting with the set of workers.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: December 25, 2018
    Assignee: iStreamPlanet Co., LLC
    Inventors: Mark Daniel VanAntwerp, Weimin Mark Wang
  • Patent number: 10158889
    Abstract: Systems, apparatus, articles, and methods are described below including operations for replaying old packets for concealing video decoding errors as well as operations for video decoding latency adjustment based on wireless link conditions.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: December 18, 2018
    Assignee: Intel Corporation
    Inventors: Yaniv Frishman, Moshe Naaman
  • Patent number: 10148989
    Abstract: Systems and methods for encoding a plurality of alternative streams of video content using multiple encoders in accordance with embodiments of the invention are disclosed. An encoding system includes multiple encoders. Each of the encoders receives a source stream of video content that is divided into portions. Each of the encoders generates portions of the plurality of alternative streams from the portions of the source stream. The portions of the alternative streams generated by a particular encoder are stored in a container for the particular encoder. Each encoder also generates index information for the portion of the alternative stream generated by the encoder that is stored in a manifest for the encoder.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: December 4, 2018
    Assignee: DIVX, LLC
    Inventors: William David Amidei, Abhishek Shivadas, Kevin Dean-Yong Wu
  • Patent number: 10148975
    Abstract: According to the present invention, an inter-prediction method includes: receiving mode information on the inter-prediction of a current block; decoding the received mode information; and performing inter-prediction using the decoded mode information. According to the present invention, image compression efficiency may be improved.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: December 4, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Jae Hyun Lim, Seung Wook Park, Jung Sun Kim, Yong Joon Jeon, Joon Young Park, Byeong Moon Jeon
  • Patent number: 10142658
    Abstract: A method of decoding an image including deriving, via an intra-predictor, an intra prediction mode; generating, via the intra-predictor, reference pixels on an unavailable position if there exist unavailable reference pixels of a current block; determining, via the intra-predictor, whether reference pixels of the current block are filtered or not based on the derived intra prediction mode and a block size of the current block; filtering the reference pixels of the current block using a filter if it is determined that the reference pixels of the current block are filtered, wherein two or more filters are used based on the block size of the current block such that a filter with a broad bandwidth is applied to a large block; and generating, via the intra-predictor, a prediction block of the current block according to the derived intra prediction mode of the current block and the reference pixels.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: November 27, 2018
    Assignee: IBEX PT HOLDINGS CO., LTD.
    Inventors: Kwangje Kim, Hyunoh Oh
  • Patent number: 10122781
    Abstract: Disclosed herein are system, apparatus, article of manufacture, method, and/or computer program product embodiments for selection of video segments for adaptive streaming. An embodiment operates by receiving one or more variant segments, the one or more variant segments including an old bitrate variant segment having an old bitrate and a new bitrate variant segment having a new bitrate for decoding, and playback. The embodiment farther operates by generating an old bitrate packetized elementary stream (PES) collection based on the old bitrate variant segment and a new bitrate PES collection based on the new bitrate variant segment and determining a first in-tolerance splicing location between the old bitrate PES collection and the new bitrate PES collection based on a maximum tolerance offset. The embodiment still further operates by splicing the old bitrate PES collection and the new bitrate PES collection based on the first in-tolerance splicing location.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: November 6, 2018
    Assignee: Roku Inc.
    Inventor: Francis Degrange
  • Patent number: 10121484
    Abstract: A method and an apparatus for decoding a speech/audio bitstream are disclosed, where the method for decoding a speech/audio bitstream includes determining whether a current frame is a normal decoding frame or a redundancy decoding frame, obtaining a decoded parameter of the current frame by means of parsing when the current frame is a normal decoding frame or a redundancy decoding frame, performing post-processing on the decoded parameter of the current frame to obtain a post-processed decoded parameter of the current frame, and using the post-processed decoded parameter of the current frame to reconstruct a speech/audio signal.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: November 6, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zexin Liu, Xingtao Zhang, Lei Miao
  • Patent number: 10080015
    Abstract: Provided is an image processing device including a decoding section that decodes an encoded stream to generate an image, a line determining section that determines whether to apply a deblocking filter to each of lines perpendicular to a boundary in neighboring blocks neighboring across the boundary in the image generated by the decoding section, and a filtering section that applies the deblocking filter to each line to which the line determining section determines to apply the deblocking filter.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: September 18, 2018
    Assignee: SONY CORPORATION
    Inventor: Masaru Ikeda
  • Patent number: 10075188
    Abstract: A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted. Accordingly, it is possible to cope with a serious channel variation while applying robustness to the mobile service data.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: September 11, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyen O Oh, In Hwan Choi, Kook Yeon Kwak, Byoung Gill Kim, Won Gyu Song, Jin Woo Kim, Hyoung Gon Lee
  • Patent number: 10063612
    Abstract: Systems and methods are described to enable request-driven encoding of content portions to be played back as part of a content stream. A content stream can represent multiple types of content, each initially encoded according to different formatting parameters. Thus, playback of the multiple types of content as initially encoded would result in an inconsistently formatted content stream. To address this, a streaming content delivery service may respond to requests by determining whether consistently formatted content portions are available, and if such portions are not available, select fallback content portions for inclusion in the stream. The streaming content service can further initiate generation of the consistently formatted content portions in response to the request, such that subsequent requests may be serviced using the consistently formatted content portions.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: August 28, 2018
    Assignee: AMAZON TECHNOLOGIES, INC.
    Inventors: Matthew Brinkley, Alex Xiaoye Zhang
  • Patent number: 10057635
    Abstract: The present disclosure relates to a content supply device, a content supply method, a program, a terminal device and a content supply system that are configured to be capable of realizing rapid zapping between channels in DASH. The content supply device of the present disclosure supplies a plurality of items of streaming data with differing attributes, which is content with identical detail, to the same channel, and is provided with a supply portion that divides the streaming data into minimum units when the reception of streaming data is switched according to a timing that is made uniform with other channels, and supplies the streaming data to a reception side through a network, and a metafile generation portion that generates metafiles for the reception side to receive the streaming data that is supplied in the minimum units, which show that the streaming data is for zapping. The present disclosure can be applied to a system that performs streaming distribution of content.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: August 21, 2018
    Assignee: Saturn Licensing LLC
    Inventor: Yasuaki Yamagishi
  • Patent number: 10051274
    Abstract: An image processing apparatus that calculates information according to a motion of a frame of a moving image based on a motion vector detected in the frame decides the representative motion vector of each of a plurality of regions in the frame based on the detected motion vector, and calculates the information according to the motion of the frame based on, out of the motion vectors in each of the plurality of regions, a motion vector whose difference from the representative motion vector of each region is smaller than a predetermined value.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: August 14, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Masaaki Kobayashi
  • Patent number: 10039100
    Abstract: Systems and methods for OFDM channelization are provided that allow for the coexistence of sub-band channels and diversity channels. Methods of defining diversity sub-channels and sub-band sub-channels are provided and systematic channel definition and labeling schemes are provided.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: July 31, 2018
    Assignee: Apple Inc.
    Inventors: Hang Zhang, Jianglei Ma, Ming Jia, Sophie Vrzic, Mo-Han Fong, Dong-Sheng Yu, Hua Xu
  • Patent number: 9998884
    Abstract: A method for preventing misdirection of pictures and non-authorized viewing which can be applied on a sending terminal communicating with receiving terminals is provided. The method comprises determining a target picture and user identity information of one or more receiving terminals as recipients. The target picture is identified through an image recognition system as being private or non-private and a determination is made as to whether the one or more receiving terminals can receive the target picture. The target picture is sent to the one or more receiving terminals when determining that all the users of the one or more receiving terminals can receive the target picture.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: June 12, 2018
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventor: How-Wen Chien
  • Patent number: 9992712
    Abstract: A delta configuration is transmitted to a UE requesting a handover wherein the delta configuration details changes that are required for the current UE configuration in order to execute the handover. The handover is initiated via a measurement report transmitted to a currently serving source eNode B from the UE. The measurement report can comprise one or more of current radio conditions, current UE configuration or a preferred target eNode B if the handover is a inter eNode B handover. In a inter eNB handover, the current UE configuration is forwarded to the preferred target eNode B by the source eNode B. The target eNode B generates the delta configuration and transmits it to the source eNode B in a transparent container which is subsequently forwarded to the UE.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: June 5, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Masato Kitazoe, Saiyiu Duncan Ho
  • Patent number: 9985857
    Abstract: A packet loss notification in a video transmission may be performed by a network device. The network device may receive a first video packet sent from a first client to a second client. The network device may determine that the first video packet has been lost. The network device may determine a video packet receiving port number of the first client. The network device may receive a second video packet sent from the second client to the first client. The network device may determine that the second video packet includes a destination port number that matches a video packet receiving port number of the first client. The network device may modify the second video packet by adding packet loss information indicating that the first video packet has been lost. The network device may send the modified second video packet to the first client.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: May 29, 2018
    Assignee: VID SCALE, INC.
    Inventors: Anantharaman Balasubramanian, Liangping Ma, Gregory S. Sternberg, Louis Kerofsky, Ralph Neff
  • Patent number: 9979965
    Abstract: The present disclosure discloses a method for coding an image, a method for decoding an image, a method for processing image data, and devices thereof. The method for coding the image includes determining a current intra coding block that uses a constrained intra prediction method among current inter coded frames; determining that neighboring coding blocks that are adjacent to the current intra coding block include a neighboring inter coding block; updating image data in the neighboring inter coding block based on an invariable value or image data in a neighboring intra coding block included in the neighboring coding blocks; and coding the current intra coding block based on the updated image data in the neighboring inter coding block. Using the methods and devices, the error recovery capability of an intra coding block may be improved, and the image data decoding quality may be improved.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: May 22, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Changcai Lai, Yongbing Lin, Xiaozhen Zheng
  • Patent number: 9954752
    Abstract: A communication system is provided with a transmission terminal and a reception terminal that communicate over a network, and the transmission terminal includes: an encoded packet generation unit which encodes a predetermined number of packets and transmits the encoded packets to the reception terminal over the network; a network environment measurement unit which measures the state of the network; and a parameter calculation unit which determines the predetermined number of packets by using a characteristics to be guaranteed in regard to delay time required for a packet transmitted from the transmission terminal to arrive at the reception terminal and the state of the network. In the communication system in which the transmission terminal and the reception terminal communicate via the network on which a packet loss may occur, a characteristic regarding a packet delay time specified by a user is guaranteed.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: April 24, 2018
    Assignee: NEC CORPORATION
    Inventors: Yuki Hayashi, Jun Suzuki, Masaki Kan
  • Patent number: 9953436
    Abstract: A method for compressing data is disclosed. The method may include receiving data from one or more data sources. The method may also include selectively classifying the data into one or more data streams, the one or more data streams including at least PCM-encoded data and image data. The method may further include separately compressing the PCM-encoded data and the image data into first and second compressed bit-streams. The method may also include shuffling the first and second compressed bit-streams.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: April 24, 2018
    Assignee: BTS Software Solutions, LLC
    Inventor: Dunling Li
  • Patent number: 9941978
    Abstract: It discloses an acoustic channel-based data communications method which performs channel coding on an original data signal using a CRC coding method and a BCH coding method to obtain a coded sequence; modulates the coded sequence using a preset audio sequence symbol set via a symbol mapping method to obtain a digital audio signal; selects a channel frequency band according to characteristics of a transmitting equipment and interference between frequency bands; and converts the digital audio signal into an analog audio signal through a digital-to-analog converter and transmits the signal to a channel for transmission according to the selected channel frequency band.
    Type: Grant
    Filed: September 20, 2015
    Date of Patent: April 10, 2018
    Assignee: SUZHOU REALPOWER ELECTRIC APPLIANCE CO., LTD
    Inventor: Jinghong Chen
  • Patent number: 9942554
    Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: April 10, 2018
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Hae Chul Choi, Se Yoon Jeong, Sung-Chang Lim, Jin Soo Choi, Jin Woo Hong, Dong Gyu Sim, Seoung-Jun Oh, Chang-Beom Ahn, Gwang Hoon Park, Seung Ryong Kook, Sea-Nae Park, Kwang-Su Jeong
  • Patent number: 9930345
    Abstract: An image encoding apparatus, which is configured to perform image encoding based on a gradual decoder refresh scheme, includes a pre-processor configured to receive a video signal obtained by slicing one screen into a plurality of sub-screens and perform pre-processing, and an image encoder configured to receive output of the pre-processor, perform an encoding process, and generate stream data. The image encoder is configured to acquire information of a first Intra-slice corresponding to a target Intra-slice in a first sequence with respect to the target Intra-slice in a second sequence, in which encoding is performed, after the first sequence; and is configured to estimate an Intra-slice line number and an Inter-slice line number of the second sequence not to exceed a target information amount based on the acquired information of the first Intra-slice.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: March 27, 2018
    Assignee: SOCIONEXT INC.
    Inventor: Kyousuke Toda
  • Patent number: 9918108
    Abstract: The present invention relates to an image processing device and method whereby deterioration of effects of filter processing due to local control of filter processing when encoding or decoding can be suppressed. A boundary control flag generating unit of a control information generating unit generates boundary control flags based on system specification information which a system specification managing unit manages. A control unit of an adaptive filter processing unit determines a processing method for filter processing to be performed as to pixels nearby a slice boundary following the value of the boundary control flag. For example, selection is made to perform filter processing straddling slices or to perform filter processing closed at the present slice. The present invention can be applied to an image processing device, for example.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: March 13, 2018
    Assignee: Velos Media, LLC
    Inventor: Kenji Kondo
  • Patent number: 9872046
    Abstract: Discussed is an apparatus for recovering a motion vector to perform error concealment on received video stream, including: a first selecting unit selecting a first motion vector from a first slice that is above a lost slice, and selecting a second motion vector from a second slice that is below the lost slice; a second selecting unit determining at least one first orthogonal motion vector that is orthogonal to the first motion vector, and determining at least one second orthogonal motion vector that is orthogonal to the second motion vector; and a recovering unit computing a lost motion vector, comprised in the lost slice, using a weighted average of valid motion vectors, wherein the valid motion vectors include at least one of the first motion vector, the second motion vector, the first orthogonal motion vector, and the second orthogonal motion vector.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: January 16, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kevin Gatimu, Ben Lee, Tae Wook Lee, Chang Gone Kim
  • Patent number: 9866297
    Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, encoding Data Pipe, DP, data according to a code rate, wherein the encoding further includes Low-Density Parity-Check, LDPC, encoding the DP data, Bit interleaving the LDPC encoded DP data, and mapping the bit interleaved DP data onto constellations; building at least one signal frame by mapping the encoded DP data; and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: January 9, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Sangchul Moon, Woosuk Ko, Sungryong Hong, Jinwoo Kim, Jongwoong Shin
  • Patent number: 9866848
    Abstract: A method for encoding luma intra mode using context adaptive entropy processing determines a current luma intra mode for a current block and determines whether a neighboring block of the current block within a region of an independently coded slice is on a different side of a boundary of the region from the current block. The method replaces prediction mode information associated with the neighboring block by DC mode if the neighboring block is on the different side of the boundary of the region from the current block, and forms data for processing a current syntax element associated with the current luma intra mode based on the prediction mode information associated with the neighboring block. In addition, the method performs context adaptive entropy encoding processing on the current syntax element according to the formed data.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: January 9, 2018
    Assignee: HFI INNOVATION INC.
    Inventors: Tzu-Der Chuang, Yu-Wen Huang, Ching-Yeh Chen
  • Patent number: 9832375
    Abstract: Methods, systems, and computer readable media for video image recovery from transient blockage or corruption artifacts include receiving first and second data captures from an image sensor having first and second pluralities of pixel intensity values corresponding to pixel locations of the first and second data captures. The methods, systems, and computer readable media also include identifying in the second data capture, one or more of the second pixel intensity values exceeding a contrast threshold to detect a transient blockage. The methods, systems, and computer readable media also include replacing the one or more of the second pixel intensity values exceeding the contrast threshold with one or more of the first pixel intensity values to generate a corrected data capture.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: November 28, 2017
    Assignee: BAE Systems Information and Electronic Systems Integration Inc.
    Inventors: Michael N. Mercier, Joseph M. Schlupf
  • Patent number: 9813704
    Abstract: A method is provided for encoding an intra predicted residual block of an image for use in image or video compression. The intra predicted residual block is associated with an intra prediction coding mode. The method includes generating a set of residual error blocks including residual data with different statistical characteristics from the residual data in the intra predicted residual block. Each of the residual error blocks is scanned and entropy coded to produce a first set of bit streams. The lengths of each of the first set of bit streams are recorded. The intra predicted residual block is also scanned and entropy coded to produce a second bit stream. The length of the second bit stream is recorded. Selecting the minimum length bit stream from the first set of bit streams and the second bit stream as the output coded bit stream of the intra predicted residual block.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: November 7, 2017
    Assignee: NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Zhouye Gu, Weisi Lin, Bu Sung Lee, Chiew Tong Lau
  • Patent number: 9807405
    Abstract: Provided are a video encoding method and a video decoding method according to spatial subdivisions based on splitting a picture into a first tile and a second tile, and splitting a current tile among the first tile and the second tile into at least one slice segment, encoding the first tile and the second tile, independently from each other, and encoding maximum coding units of a current slice segment among the at least one slice segment included in the current tile, with respect to the at least one slice segment included in the current tile.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: October 31, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tammy Lee, Byeong-doo Choi
  • Patent number: 9807600
    Abstract: Methods and apparatuses that enroll a wireless device into an enterprise service with a management server addressed in a management profile are described. The enrollment may grant a control of configurations of the wireless device to the management server via the management profile. In response to receiving a notification from the management server, a trust of the notification may be verified against the management profile. If the trust is verified, a network session may be established with the management server. The network session may be secured via a certificate in the management profile. Management operations may be performed for management commands received over the secure network session to manage the configurations transparently to a user of the wireless device according to the control.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: October 31, 2017
    Assignee: Apple Inc.
    Inventors: Gordie Freedman, David Rahardja
  • Patent number: 9807404
    Abstract: Provided are a video encoding method and a video decoding method according to spatial subdivisions based on splitting a picture into a first tile and a second tile, and splitting a current tile among the first tile and the second tile into at least one slice segment, encoding the first tile and the second tile, independently from each other, and encoding maximum coding units of a current slice segment among the at least one slice segment included in the current tile, with respect to the at least one slice segment included in the current tile.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: October 31, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tammy Lee, Byeong-doo Choi
  • Patent number: 9800888
    Abstract: According to the present invention, an inter-prediction method includes: receiving mode information on the inter-prediction of a current block; decoding the received mode information; and performing inter-prediction using the decoded mode information. According to the present invention, image compression efficiency may be improved.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: October 24, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Jae Hyun Lim, Seung Wook Park, Jung Sun Kim, Yong Joon Jeon, Joon Young Park, Byeong Moon Jeon
  • Patent number: 9794557
    Abstract: A method and apparatus for chroma intra prediction is based on reconstructed luma pixels and chroma pixels, where the chroma intra prediction is based on a linear model of derived co-located current luma pixels of the current luma block scaled by a scaling factor. The scaling factor comprises a product term of a division factor and a scaled covariance-like value associated with neighboring reconstructed luma and chroma pixels of a current block. The division factor is related to a first data range divided with rounding by a scaled variance-like value associated with the neighboring reconstructed luma pixels of the current block. The scaled covariance-like value, the first data range, or both of the scaled covariance-like value and the first data range are dependent on the internal bit depth, with which the chroma signal is processed during video coding process, according to an embodiment of the present invention.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: October 17, 2017
    Assignee: MEDIATEK SINGAPORE PTE. LTD
    Inventors: Juliana Hsu, Mei Guo, Xun Guo
  • Patent number: RE46891
    Abstract: A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: June 12, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Jin Pil Kim, Young In Kim, Ho Taek Hong, In Hwan Choi, Kook Yeon Kwak, Hyoung Gon Lee, Byoung Gill Kim, Jin Woo Kim, Won Gyu Song, Jong Moon Kim
  • Patent number: RE47294
    Abstract: A digital broadcast transmitting/receiving system and a method for processing data are disclosed. The method for processing data may enhance the receiving performance of the receiving system by performing additional coding and multiplexing processes on the traffic information data and transmitting the processed data. Thus, robustness is provided to the traffic information data, thereby enabling the data to respond strongly against the channel environment which is always under constant and vast change.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: March 12, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Jin Pil Kim, Young In Kim, Ho Taek Hong, In Hwan Choi, Kook Yeon Kwak, Hyoung Gon Lee, Byoung Gill Kim, Jin Woo Kim, Won Gyu Song, Jong Moon Kim